Drivetrain 259Whp Jan is the King
6th Gear
Joined: Aug 2005
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From: SoCaL (Agoura Hills)
Lots of design variances.
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5th Gear
Joined: May 2008
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I like to think the Mini gods were smiling down upon me. Plus Jan is in good standing with them!
Not to be too exacting but we know you meant........ 'manufacturing variances' not 'design variances'. 
6th Gear
Joined: Aug 2005
Posts: 3,902
Likes: 2
From: SoCaL (Agoura Hills)
Yea, you're right, but now that I think about it I'm not convinced that there AREN'T any design variances...
Those crazy Brits...
Ok 3 easy questions:
1. What do we expect the 17% pulley is providing over a 15% on this 259 run? Nothing, 2hp, 5hp ?
2. 440 is huge, how much hp/tq value over the standard JCW 380s?
3. Did the compression and leakdown testing indicate a tight/strong bottom end on this engine? I would think so.
1. What do we expect the 17% pulley is providing over a 15% on this 259 run? Nothing, 2hp, 5hp ?
2. 440 is huge, how much hp/tq value over the standard JCW 380s?
3. Did the compression and leakdown testing indicate a tight/strong bottom end on this engine? I would think so.
6th Gear
Joined: Aug 2005
Posts: 3,902
Likes: 2
From: SoCaL (Agoura Hills)
Ok 3 easy questions:
1. What do we expect the 17% pulley is providing over a 15% on this 259 run? Nothing, 2hp, 5hp ?
2. 440 is huge, how much hp/tq value over the standard JCW 380s?
3. Did the compression and leakdown testing indicate a tight/strong bottom end on this engine? I would think so.
1. What do we expect the 17% pulley is providing over a 15% on this 259 run? Nothing, 2hp, 5hp ?
2. 440 is huge, how much hp/tq value over the standard JCW 380s?
3. Did the compression and leakdown testing indicate a tight/strong bottom end on this engine? I would think so.
2. 440's have more to do with safety and less to do with power. The car will go lean with 380's
3. That's a Jan question
Ok 3 easy questions:
1. What do we expect the 17% pulley is providing over a 15% on this 259 run? Nothing, 2hp, 5hp ?
2. 440 is huge, how much hp/tq value over the standard JCW 380s?
3. Did the compression and leakdown testing indicate a tight/strong bottom end on this engine? I would think so.
1. What do we expect the 17% pulley is providing over a 15% on this 259 run? Nothing, 2hp, 5hp ?
2. 440 is huge, how much hp/tq value over the standard JCW 380s?
3. Did the compression and leakdown testing indicate a tight/strong bottom end on this engine? I would think so.
the car made 238whp with stock JCW pulley and 180something torque
with 17% pulley, RMW cam and 440cc injectors
you got 259/209tq
3. of course it did....
1. OK thanks and as expected. 2-5hp is not that much, but the 17% also does move the boost to a slightly lower rpm, so i guess maybe some street value. We spoke similarly a few days ago.
2. So, at some engine operating condition after a tune these 440s are running wide open? Or maybe are they always running below maybe 402 for example, and the next size up is 440 ?
3. must be strong...
6th Gear
Joined: Aug 2005
Posts: 3,902
Likes: 2
From: SoCaL (Agoura Hills)
Rusty and Jan:
1. OK thanks and as expected. 2-5hp is not that much, but the 17% also does move the boost to a slightly lower rpm, so i guess maybe some street value. We spoke similarly a few days ago.
2. So, at some engine operating condition after a tune these 440s are running wide open? Or maybe are they always running below maybe 402 for example, and the next size up is 440 ?
3. must be strong...
1. OK thanks and as expected. 2-5hp is not that much, but the 17% also does move the boost to a slightly lower rpm, so i guess maybe some street value. We spoke similarly a few days ago.
2. So, at some engine operating condition after a tune these 440s are running wide open? Or maybe are they always running below maybe 402 for example, and the next size up is 440 ?
3. must be strong...
and Jan....email? check it?
Agree with Rusty, for my JCW pulley it measured at 58mm and so calculating from the stock 0% at 65.5mm brings me to 11.45% redux for my JCW pulley. So, ~12% is close enough.
I can belive ~10 from JCW to 17%.
I can belive ~10 from JCW to 17%.
I think there were a few people at the dyno ready to pull his engine and do an all nighter to put it into their cars
Even the dyno operator continues to shake his head as these cars continue to amaze. He said a few yrs ago he thought 200whp would be about it for them with the stock supercharger.... now he is expecting me to bang out 280whp soon..........
Even the dyno operator continues to shake his head as these cars continue to amaze. He said a few yrs ago he thought 200whp would be about it for them with the stock supercharger.... now he is expecting me to bang out 280whp soon..........
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5th Gear
Joined: May 2008
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Without the LSD my car did move around a bit in first and second. I had the FX300 and a factory LSD put in at the same time. First gear is a test of moderation, but second comes hard and pulls straight and true. Drives quite nice.
